Help needed: vendor files for Prometheus support

These are the vendor files needed for Prometheus support.
I have not been able to figure out how to do this properly with gopkg.

vendor/github.com/prometheus/common/log/log_test.go

@@ -0,0 +1,39 @@
+// Copyright 2015 The Prometheus Authors
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package log
+
+import (
+	"bytes"
+	"regexp"
+	"testing"
+
+	"github.com/sirupsen/logrus"
+)
+
+func TestFileLineLogging(t *testing.T) {
+	var buf bytes.Buffer
+	origLogger.Out = &buf
+	origLogger.Formatter = &logrus.TextFormatter{
+		DisableColors: true,
+	}
+
+	// The default logging level should be "info".
+	Debug("This debug-level line should not show up in the output.")
+	Infof("This %s-level line should show up in the output.", "info")
+
+	re := `^time=".*" level=info msg="This info-level line should show up in the output." source="log_test.go:33"\n$`
+	if !regexp.MustCompile(re).Match(buf.Bytes()) {
+		t.Fatalf("%q did not match expected regex %q", buf.String(), re)
+	}
+}